UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FHPjX21eKNQIYy2NMPrWRzb5CodsEhey3Al9DsKi0Vk=' 
WHERE 
  key_id = 'a436a0d31dd146856cde7b3c01ee6b8ce0045bc77eb2ba5fd2c9cf3094e0ec66' 
  AND (
    token = 'FHPjX21eKNQIYy2NMPrWRzb5CodsEhey3Al9DsKi0Vk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )